Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 01:55

General

  • Target

    df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar

  • Size

    481KB

  • MD5

    6861ee8001a8c404dd330a4f20c7ce77

  • SHA1

    f126178828470606f76df369c1e42c1839792105

  • SHA256

    df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832

  • SHA512

    3e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b

  • SSDEEP

    12288:efllQKeQSPEf7AtTsF5Rb5hwQC1uQ3pZWEWKcA:edlQl4sTQta/WEF

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:4768
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:232
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1072
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2612
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4916
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3260
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4640
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4708
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5084
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2908
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2680
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1564

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        f2b7a80f49d66f422289bcb7c50227c8

        SHA1

        70f638f2247c8eaf0ec37359645385135cd3d0b3

        SHA256

        644647ef53efcfa63f9c32668ae32c236d3fafb10fced040437be8e0435a03ae

        SHA512

        20b6a58ff22f4c05fa39cecd2187943de52dd098b9a5c7df6ca910c18f2359886763928822288b0d1a7c3a866b8c2046cdec5c993192b76d1dce83e511ae08a0

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3343112182543454934.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3906287020-2915474608-1755617787-1000\83aa4cc77f591dfc2374580bbd95f6ba_215f2dba-ef84-4dd1-b127-5f514a0c233b

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar

        Filesize

        481KB

        MD5

        6861ee8001a8c404dd330a4f20c7ce77

        SHA1

        f126178828470606f76df369c1e42c1839792105

        SHA256

        df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832

        SHA512

        3e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b

      • C:\Users\Admin\lib\jna-5.5.0.jar

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\lib\jna-platform-5.5.0.jar

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\lib\system-hook-3.5.jar

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • memory/1084-267-0x000002502CCA0000-0x000002502CCA1000-memory.dmp

        Filesize

        4KB

      • memory/1496-118-0x000001F0A47C0000-0x000001F0A47D0000-memory.dmp

        Filesize

        64KB

      • memory/1496-41-0x000001F0A4750000-0x000001F0A4760000-memory.dmp

        Filesize

        64KB

      • memory/1496-25-0x000001F0A4400000-0x000001F0A4401000-memory.dmp

        Filesize

        4KB

      • memory/1496-26-0x000001F0A46F0000-0x000001F0A4700000-memory.dmp

        Filesize

        64KB

      • memory/1496-29-0x000001F0A4700000-0x000001F0A4710000-memory.dmp

        Filesize

        64KB

      • memory/1496-33-0x000001F0A4720000-0x000001F0A4730000-memory.dmp

        Filesize

        64KB

      • memory/1496-32-0x000001F0A4420000-0x000001F0A4690000-memory.dmp

        Filesize

        2.4MB

      • memory/1496-116-0x000001F0A48D0000-0x000001F0A48E0000-memory.dmp

        Filesize

        64KB

      • memory/1496-40-0x000001F0A4740000-0x000001F0A4750000-memory.dmp

        Filesize

        64KB

      • memory/1496-38-0x000001F0A4690000-0x000001F0A46A0000-memory.dmp

        Filesize

        64KB

      • memory/1496-39-0x000001F0A4730000-0x000001F0A4740000-memory.dmp

        Filesize

        64KB

      • memory/1496-30-0x000001F0A4710000-0x000001F0A4720000-memory.dmp

        Filesize

        64KB

      • memory/1496-46-0x000001F0A4760000-0x000001F0A4770000-memory.dmp

        Filesize

        64KB

      • memory/1496-45-0x000001F0A4770000-0x000001F0A4780000-memory.dmp

        Filesize

        64KB

      • memory/1496-44-0x000001F0A46A0000-0x000001F0A46B0000-memory.dmp

        Filesize

        64KB

      • memory/1496-48-0x000001F0A4780000-0x000001F0A4790000-memory.dmp

        Filesize

        64KB

      • memory/1496-47-0x000001F0A46B0000-0x000001F0A46C0000-memory.dmp

        Filesize

        64KB

      • memory/1496-54-0x000001F0A46C0000-0x000001F0A46D0000-memory.dmp

        Filesize

        64KB

      • memory/1496-55-0x000001F0A4790000-0x000001F0A47A0000-memory.dmp

        Filesize

        64KB

      • memory/1496-57-0x000001F0A46D0000-0x000001F0A46E0000-memory.dmp

        Filesize

        64KB

      • memory/1496-58-0x000001F0A47A0000-0x000001F0A47B0000-memory.dmp

        Filesize

        64KB

      • memory/1496-66-0x000001F0A47D0000-0x000001F0A47E0000-memory.dmp

        Filesize

        64KB

      • memory/1496-65-0x000001F0A47C0000-0x000001F0A47D0000-memory.dmp

        Filesize

        64KB

      • memory/1496-64-0x000001F0A46F0000-0x000001F0A4700000-memory.dmp

        Filesize

        64KB

      • memory/1496-63-0x000001F0A47B0000-0x000001F0A47C0000-memory.dmp

        Filesize

        64KB

      • memory/1496-62-0x000001F0A46E0000-0x000001F0A46F0000-memory.dmp

        Filesize

        64KB

      • memory/1496-76-0x000001F0A4810000-0x000001F0A4820000-memory.dmp

        Filesize

        64KB

      • memory/1496-75-0x000001F0A4800000-0x000001F0A4810000-memory.dmp

        Filesize

        64KB

      • memory/1496-80-0x000001F0A4820000-0x000001F0A4830000-memory.dmp

        Filesize

        64KB

      • memory/1496-77-0x000001F0A4710000-0x000001F0A4720000-memory.dmp

        Filesize

        64KB

      • memory/1496-74-0x000001F0A47F0000-0x000001F0A4800000-memory.dmp

        Filesize

        64KB

      • memory/1496-82-0x000001F0A4720000-0x000001F0A4730000-memory.dmp

        Filesize

        64KB

      • memory/1496-83-0x000001F0A4830000-0x000001F0A4840000-memory.dmp

        Filesize

        64KB

      • memory/1496-73-0x000001F0A47E0000-0x000001F0A47F0000-memory.dmp

        Filesize

        64KB

      • memory/1496-72-0x000001F0A4700000-0x000001F0A4710000-memory.dmp

        Filesize

        64KB

      • memory/1496-85-0x000001F0A4400000-0x000001F0A4401000-memory.dmp

        Filesize

        4KB

      • memory/1496-87-0x000001F0A4730000-0x000001F0A4740000-memory.dmp

        Filesize

        64KB

      • memory/1496-90-0x000001F0A4840000-0x000001F0A4850000-memory.dmp

        Filesize

        64KB

      • memory/1496-89-0x000001F0A4750000-0x000001F0A4760000-memory.dmp

        Filesize

        64KB

      • memory/1496-88-0x000001F0A4740000-0x000001F0A4750000-memory.dmp

        Filesize

        64KB

      • memory/1496-95-0x000001F0A4850000-0x000001F0A4860000-memory.dmp

        Filesize

        64KB

      • memory/1496-94-0x000001F0A4760000-0x000001F0A4770000-memory.dmp

        Filesize

        64KB

      • memory/1496-93-0x000001F0A4770000-0x000001F0A4780000-memory.dmp

        Filesize

        64KB

      • memory/1496-102-0x000001F0A4870000-0x000001F0A4880000-memory.dmp

        Filesize

        64KB

      • memory/1496-100-0x000001F0A4860000-0x000001F0A4870000-memory.dmp

        Filesize

        64KB

      • memory/1496-101-0x000001F0A4790000-0x000001F0A47A0000-memory.dmp

        Filesize

        64KB

      • memory/1496-22-0x000001F0A46D0000-0x000001F0A46E0000-memory.dmp

        Filesize

        64KB

      • memory/1496-120-0x000001F0A48E0000-0x000001F0A48F0000-memory.dmp

        Filesize

        64KB

      • memory/1496-115-0x000001F0A48C0000-0x000001F0A48D0000-memory.dmp

        Filesize

        64KB

      • memory/1496-119-0x000001F0A47D0000-0x000001F0A47E0000-memory.dmp

        Filesize

        64KB

      • memory/1496-99-0x000001F0A4780000-0x000001F0A4790000-memory.dmp

        Filesize

        64KB

      • memory/1496-23-0x000001F0A46E0000-0x000001F0A46F0000-memory.dmp

        Filesize

        64KB

      • memory/1496-124-0x000001F0A4400000-0x000001F0A4401000-memory.dmp

        Filesize

        4KB

      • memory/1496-114-0x000001F0A48B0000-0x000001F0A48C0000-memory.dmp

        Filesize

        64KB

      • memory/1496-113-0x000001F0A48A0000-0x000001F0A48B0000-memory.dmp

        Filesize

        64KB

      • memory/1496-112-0x000001F0A4890000-0x000001F0A48A0000-memory.dmp

        Filesize

        64KB

      • memory/1496-111-0x000001F0A4880000-0x000001F0A4890000-memory.dmp

        Filesize

        64KB

      • memory/1496-110-0x000001F0A47A0000-0x000001F0A47B0000-memory.dmp

        Filesize

        64KB

      • memory/1496-129-0x000001F0A47F0000-0x000001F0A4800000-memory.dmp

        Filesize

        64KB

      • memory/1496-133-0x000001F0A4900000-0x000001F0A4910000-memory.dmp

        Filesize

        64KB

      • memory/1496-132-0x000001F0A48F0000-0x000001F0A4900000-memory.dmp

        Filesize

        64KB

      • memory/1496-131-0x000001F0A4810000-0x000001F0A4820000-memory.dmp

        Filesize

        64KB

      • memory/1496-130-0x000001F0A4800000-0x000001F0A4810000-memory.dmp

        Filesize

        64KB

      • memory/1496-136-0x000001F0A4910000-0x000001F0A4920000-memory.dmp

        Filesize

        64KB

      • memory/1496-135-0x000001F0A4820000-0x000001F0A4830000-memory.dmp

        Filesize

        64KB

      • memory/1496-128-0x000001F0A47E0000-0x000001F0A47F0000-memory.dmp

        Filesize

        64KB

      • memory/1496-117-0x000001F0A47B0000-0x000001F0A47C0000-memory.dmp

        Filesize

        64KB

      • memory/1496-138-0x000001F0A4830000-0x000001F0A4840000-memory.dmp

        Filesize

        64KB

      • memory/1496-139-0x000001F0A4920000-0x000001F0A4930000-memory.dmp

        Filesize

        64KB

      • memory/1496-143-0x000001F0A4930000-0x000001F0A4940000-memory.dmp

        Filesize

        64KB

      • memory/1496-141-0x000001F0A4840000-0x000001F0A4850000-memory.dmp

        Filesize

        64KB

      • memory/1496-146-0x000001F0A4940000-0x000001F0A4950000-memory.dmp

        Filesize

        64KB

      • memory/1496-144-0x000001F0A4850000-0x000001F0A4860000-memory.dmp

        Filesize

        64KB

      • memory/1496-145-0x000001F0A4860000-0x000001F0A4870000-memory.dmp

        Filesize

        64KB

      • memory/1496-149-0x000001F0A4950000-0x000001F0A4960000-memory.dmp

        Filesize

        64KB

      • memory/1496-151-0x000001F0A4400000-0x000001F0A4401000-memory.dmp

        Filesize

        4KB

      • memory/1496-157-0x000001F0A4960000-0x000001F0A4970000-memory.dmp

        Filesize

        64KB

      • memory/1496-156-0x000001F0A4870000-0x000001F0A4880000-memory.dmp

        Filesize

        64KB

      • memory/1496-158-0x000001F0A4880000-0x000001F0A4890000-memory.dmp

        Filesize

        64KB

      • memory/1496-163-0x000001F0A4970000-0x000001F0A4980000-memory.dmp

        Filesize

        64KB

      • memory/1496-162-0x000001F0A48C0000-0x000001F0A48D0000-memory.dmp

        Filesize

        64KB

      • memory/1496-161-0x000001F0A48B0000-0x000001F0A48C0000-memory.dmp

        Filesize

        64KB

      • memory/1496-160-0x000001F0A48A0000-0x000001F0A48B0000-memory.dmp

        Filesize

        64KB

      • memory/1496-159-0x000001F0A4890000-0x000001F0A48A0000-memory.dmp

        Filesize

        64KB

      • memory/1496-167-0x000001F0A48D0000-0x000001F0A48E0000-memory.dmp

        Filesize

        64KB

      • memory/1496-168-0x000001F0A4980000-0x000001F0A4990000-memory.dmp

        Filesize

        64KB

      • memory/1496-171-0x000001F0A4400000-0x000001F0A4401000-memory.dmp

        Filesize

        4KB

      • memory/1496-173-0x000001F0A48E0000-0x000001F0A48F0000-memory.dmp

        Filesize

        64KB

      • memory/1496-177-0x000001F0A48F0000-0x000001F0A4900000-memory.dmp

        Filesize

        64KB

      • memory/1496-178-0x000001F0A4900000-0x000001F0A4910000-memory.dmp

        Filesize

        64KB

      • memory/1496-179-0x000001F0A4910000-0x000001F0A4920000-memory.dmp

        Filesize

        64KB

      • memory/1496-183-0x000001F0A4990000-0x000001F0A49A0000-memory.dmp

        Filesize

        64KB

      • memory/1496-182-0x000001F0A4920000-0x000001F0A4930000-memory.dmp

        Filesize

        64KB

      • memory/1496-187-0x000001F0A46A0000-0x000001F0A46B0000-memory.dmp

        Filesize

        64KB

      • memory/1496-20-0x000001F0A46C0000-0x000001F0A46D0000-memory.dmp

        Filesize

        64KB

      • memory/1496-17-0x000001F0A46B0000-0x000001F0A46C0000-memory.dmp

        Filesize

        64KB

      • memory/1496-15-0x000001F0A46A0000-0x000001F0A46B0000-memory.dmp

        Filesize

        64KB

      • memory/1496-186-0x000001F0A4690000-0x000001F0A46A0000-memory.dmp

        Filesize

        64KB

      • memory/1496-185-0x000001F0A4420000-0x000001F0A4690000-memory.dmp

        Filesize

        2.4MB

      • memory/1496-184-0x000001F0A4400000-0x000001F0A4401000-memory.dmp

        Filesize

        4KB

      • memory/1496-2-0x000001F0A4420000-0x000001F0A4690000-memory.dmp

        Filesize

        2.4MB

      • memory/1496-13-0x000001F0A4690000-0x000001F0A46A0000-memory.dmp

        Filesize

        64KB

      • memory/2612-354-0x00000192DB780000-0x00000192DB781000-memory.dmp

        Filesize

        4KB

      • memory/2612-372-0x00000192DB780000-0x00000192DB781000-memory.dmp

        Filesize

        4KB